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Title: Stitching h-BN by atomic layer deposition of LiF as a stable interface for lithium metal anode

Abstract

Defects are important features in two-dimensional (2D) materials that have a strong influence on their chemical and physical properties. Through the enhanced chemical reactivity at defect sites (point defects, line defects, etc.), one can selectively functionalize 2D materials via chemical reactions and thereby tune their physical properties. We demonstrate the selective atomic layer deposition of LiF on defect sites of h-BN prepared by chemical vapor deposition. The LiF deposits primarily on the line and point defects of h-BN, thereby creating seams that hold the h-BN crystallites together. The chemically and mechanically stable hybrid LiF/h-BN film successfully suppresses lithium dendrite formation during both the initial electrochemical deposition onto a copper foil and the subsequent cycling. In conclusion, the protected lithium electrodes exhibit good cycling behavior with more than 300 cycles at relatively high coulombic efficiency (>95%) in an additive-free carbonate electrolyte.

Authors:
ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1];  [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [2]; ORCiD logo [3]
  1. Stanford Univ., Stanford, CA (United States)
  2. Bosch Research and Technology Center North America, Palo Alto, CA (United States)
  3. Stanford Univ., Stanford, CA (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States)
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1419315
Grant/Contract Number:  
award338316; Battery Materials Research (BMR) & Battery 500 Consortium program; award338315; (BERN) Grant No. 03.25.SS.15; AC02-76SF00515
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Science Advances
Additional Journal Information:
Journal Volume: 3; Journal Issue: 11; Journal ID: ISSN 2375-2548
Publisher:
AAAS
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Xie, Jin, Liao, Lei, Gong, Yongji, Li, Yanbin, Shi, Feifei, Pei, Allen, Sun, Jie, Zhang, Rufan, Kong, Biao, Subbaraman, Ram, Christensen, Jake, and Cui, Yi. Stitching h-BN by atomic layer deposition of LiF as a stable interface for lithium metal anode. United States: N. p., 2017. Web. doi:10.1126/sciadv.aao3170.
Xie, Jin, Liao, Lei, Gong, Yongji, Li, Yanbin, Shi, Feifei, Pei, Allen, Sun, Jie, Zhang, Rufan, Kong, Biao, Subbaraman, Ram, Christensen, Jake, & Cui, Yi. Stitching h-BN by atomic layer deposition of LiF as a stable interface for lithium metal anode. United States. doi:10.1126/sciadv.aao3170.
Xie, Jin, Liao, Lei, Gong, Yongji, Li, Yanbin, Shi, Feifei, Pei, Allen, Sun, Jie, Zhang, Rufan, Kong, Biao, Subbaraman, Ram, Christensen, Jake, and Cui, Yi. Wed . "Stitching h-BN by atomic layer deposition of LiF as a stable interface for lithium metal anode". United States. doi:10.1126/sciadv.aao3170. https://www.osti.gov/servlets/purl/1419315.
@article{osti_1419315,
title = {Stitching h-BN by atomic layer deposition of LiF as a stable interface for lithium metal anode},
author = {Xie, Jin and Liao, Lei and Gong, Yongji and Li, Yanbin and Shi, Feifei and Pei, Allen and Sun, Jie and Zhang, Rufan and Kong, Biao and Subbaraman, Ram and Christensen, Jake and Cui, Yi},
abstractNote = {Defects are important features in two-dimensional (2D) materials that have a strong influence on their chemical and physical properties. Through the enhanced chemical reactivity at defect sites (point defects, line defects, etc.), one can selectively functionalize 2D materials via chemical reactions and thereby tune their physical properties. We demonstrate the selective atomic layer deposition of LiF on defect sites of h-BN prepared by chemical vapor deposition. The LiF deposits primarily on the line and point defects of h-BN, thereby creating seams that hold the h-BN crystallites together. The chemically and mechanically stable hybrid LiF/h-BN film successfully suppresses lithium dendrite formation during both the initial electrochemical deposition onto a copper foil and the subsequent cycling. In conclusion, the protected lithium electrodes exhibit good cycling behavior with more than 300 cycles at relatively high coulombic efficiency (>95%) in an additive-free carbonate electrolyte.},
doi = {10.1126/sciadv.aao3170},
journal = {Science Advances},
number = 11,
volume = 3,
place = {United States},
year = {Wed Nov 29 00:00:00 EST 2017},
month = {Wed Nov 29 00:00:00 EST 2017}
}

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Cited by: 4 works
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